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參數(shù)資料
| 型號： | AD974BRZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/20頁 |
| 文件大小： | 0K |
| 描述： | IC DAS 16BIT 4CH 200KSPS 28SOIC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 數(shù)據(jù)采集系統(tǒng)（DAS） |
| 分辨率（位）： | 16 b |
| 采樣率（每秒）： | 200k |
| 數(shù)據(jù)接口： | 串行 |
| 電壓電源： | 模擬和數(shù)字 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC W |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 776 (CN2011-ZH PDF) |
| 配用： | EVAL-AD974CB-ND - BOARD EVAL FOR AD974 |
REV. A
–2–
AD974–SPECIFICATIONS
A Grade
B Grade
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Units
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
±10 V, 0 V to +4 V, 0 V to +5 V (See Table I)
Impedance
Channel On or Off
(See Table I)
Sampling Capacitance
40
pF
THROUGHPUT SPEED
Complete Cycle
(Acquire and Convert)
5
s
Throughput Rate
200
kHz
DC ACCURACY
Integral Linearity Error
±3
±2.0
LSB1
Differential Linearity Error
–2
+3
–1
+1.75
LSB
No Missing Codes
15
16
Bits
Transition Noise2
1.0
LSB
Full-Scale Error3
Internal Reference
±0.5
±0.25
%
Full-Scale Error Drift
Internal Reference
±7
ppm/
°C
Full-Scale Error
Ext. REF = +2.5 V
±0.5
±0.25
%
Full-Scale Error Drift
Ext. REF = +2.5 V
±2
ppm/
°C
Bipolar Zero Error
Bipolar Range
±10
mV
Bipolar Zero Error Drift
Bipolar Range
±2
ppm/
°C
Unipolar Zero Error
Unipolar Ranges
±10
mV
Unipolar Zero Error Drift
Unipolar Ranges
±2
ppm/
°C
Channel-to-Channel Matching
±0.1
±0.05
% FSR
Recovery to Rated Accuracy
After Power-Down4
2.2
F to CAP
1
ms
Power Supply Sensitivity
VANA = VDIG = VD
VD = 5 V
± 5%
±8
LSB
AC ACCURACY
Spurious Free Dynamic Range
fIN = 20 kHz
90
96
dB5
Total Harmonic Distortion
fIN = 20 kHz
–90
–96
dB
Signal-to-(Noise+Distortion)
fIN = 20 kHz
83
85
dB
–60 dB Input
27
28
dB
Signal-to-Noise
fIN = 20 kHz
83
85
dB
Channel-to-Channel Isolation
fIN = 20 kHz
–110
–100
–110
–100
dB
Full Power Bandwidth6
1
MHz
–3 dB Input Bandwidth
2.7
MHz
SAMPLING DYNAMICS
Aperture Delay
40
ns
Transient Response
Full-Scale Step
1
s
Overvoltage Recovery7
150
ns
REFERENCE
Internal Reference Voltage
2.48
2.5
2.52
2.48
2.5
2.52
V
Internal Reference Source Current
1
A
External Reference Voltage Range
for Specified Linearity
2.3
2.5
2.7
2.3
2.5
2.7
V
External Reference Current Drain
Ext. REF = +2.5 V
100
A
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
–0.3
+0.8
V
VIH
+2.0
VDIG + 0.3
+2.0
VDIG + 0.3
V
IIL
±10
A
IIH
±10
A
(–40 C to +85 C, fS = 200 kHz, VDIG = VANA = +5 V, unless otherwise noted)
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